<template>
  <div class="login-container">
    <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <img src="@/assets/common/login-logo.png" alt="">
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="mobile"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">点击登录</el-button>

      <div class="tips">
        <span style="margin-right:20px;">还没有账号?</span>
        <span> 立即注册</span>
      </div>

    </el-form>
  </div>
</template>

<script>
import { validMobile } from '@/utils/validate.js'
// import { login } from '@/api/user'
export default {
  name: 'Login',
  data() {
    // 定义函数名要与封装函数名不一致,不然封装函数可能不知道找谁
    const validateMobile = (rule, value, callback) => {
      if (!validMobile(value)) {
        callback(new Error('手机号格式错误'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          // 手机号验证规则必须以1开头
          // { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: validateMobile, trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 10, message: '长度在 6 到 10 个字符', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 一个函数一般一个功能,页面上按钮只是触发,发请求是一个专门的事件,需要封装函数
    async loginFn() {
      try {
        // const res = await login(this.loginForm)
        // console.log('请求成功', res.data)
        // 讲token存到vuex里面去
        // commit('mutation',token)
        await this.$store.dispatch('user/loginAction', this.loginForm)

        // $route 当前页面的路由配置信息
        // $router 路由实例对象
        // this.$router.push(this.$route.query.abc)
        // this.$router.push('/')
        this.$router.push(this.$route.query.abc || '/')
      } catch (err) {
        // 请求失败,就会捕获错误,告诉浏览器,不要报错,不要显示红色错误
        console.log('登录请求出错')
      }
    },
    handleLogin() {
      const that = this
      // console.log(this.loginForm)
      this.$refs.loginFormRef.validate(function(p1, p2) {
        if (p1) {
          // promise 承诺,已开启就是pending等待中 未来的某个时刻 一定会有一个结果,要么成功,要么失败
          // login(that.loginForm).then(res => {
          //   console.log('这是成功的回调函数', res)
          //  //login().then().catch()
          //  //如果里面还要发请求,那么还要继续写 .then .catch 依然很繁琐
          // }).catch(err => {
          //   console.log(err)
          // })
          that.loginFn()
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:skyblue;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-form-item__error {
      color: #fff;
      }

  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    font-size: 20px;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;

      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    // background: rgba(0, 0, 0, 0.1);
    background:rgba(255, 255, 255, 0.7);
    border-radius: 5px;
    color: #454545;
  }
}

.el-button {
font-size: 19px;
height: 60px;
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  background-image: url(~@/assets/common/login.jpg);
  background-position: center;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }
  // ::deep .el-form-item__error {
  //     color: #fff;
  //     }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    text-align: center;
    font-size: 16px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    display: flex;
    justify-content: center;
    height: 60px;

    img{
      height: 60%;
    }

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
      padding:0 0 8px 20px;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
